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Before You Visit Japan: The 12 Things Japanese Comment Sections Say to Sort Out Before You Fly

日本に来る前に片付けておくこと12 —— 日本語コメント欄の総意でつくる出発前チェックリスト

Before You Visit Japan: The 12 Things Japanese Comment Sections Say to Sort Out Before You Fly
This has the same smell as people parking in your spot without asking.
Top comment on shinkansen passengers using the oversized-luggage space without reserving it — 575 likes (translated)

Across 70 Japanese comment threads and 59,619 comments we have translated and aggregated, the advice Japanese travellers give each other before a trip is remarkably consistent — and it is almost never the advice in a first-timer guide. It is about reservations that cost nothing but must be made, a rail pass whose math changed in 2023, hotels chosen for their bath and their cancellation deadline rather than their stars, a price line that separates local shops from tourist ones, two queue rules that save you whole mornings, and three rules that carry either a ¥10,000 fine or a very cold stare. Here is that checklist — twelve items, with the like-counts attached — followed by the questions the comment sections have already answered, and the two jobs at the end that no comment section will do for you.

Almost nothing on this list is a rule you can read on a sign at the airport. It is the stuff Japanese people assume everyone already knows — which is exactly why it surfaces in comment sections as irritation rather than instruction. Sorted before you fly, each item takes a few minutes. Discovered on the day, each one costs you a fee, a seat, a booking, a morning in a queue, or the goodwill of a carriage full of people.

1. The free reservations that are mandatory anyway

The single most-repeated grievance about visitors in our whole corpus is not noise or photography. It is luggage. On the Tokaido Shinkansen the space behind the last row of seats is tied to specific seats, reserving it is free, and boarding with an oversized bag you have not reserved carries a fee. Under a Japanese video about people using that space without booking it, the top comment (575 likes) is the parking-spot line above; "Fines. Necessary," says the next (460 likes); and the most-liked structural complaint (354 likes) is aimed at the railway, not at tourists: "If JR offers this as a service, they need to actually police it." The practical instruction in that thread is worth memorising, because it is what a Japanese rider will do to you rather than say to you — 256 likes for "what you can actually do, right now, is tell the conductor immediately," and 131 likes for a commenter who simply moves unreserved bags out of the way himself.

The second reservation is your seat. Japan's bullet trains are phasing out unreserved cars, and the Nozomi — the fast Tokyo–Kyoto–Osaka service most visitors ride — already runs all-reserved in peak seasons. In 812 comments, riders overwhelmingly approve. The top comment (1,124 likes) is a sigh: "The greatest irony: the quality of the trains keeps improving while the quality of the people riding them keeps dropping." One rider explains exactly what the change fixed (388 likes): overflow from full unreserved cars used to stand in the aisles of reserved cars and "wedge their rock-hard suitcases against the knees of people like me who are sitting there. A punishment I paid a reservation fee to receive." If you do gamble on an unreserved seat, the thread's one-line manual is 519 likes: "Unreserved seats: only ever board at the origin station."

2. Do the rail-pass math before you buy anything

The Japan Rail Pass rose roughly 70% in 2023, and the Japanese reaction is the opposite of the one visitors expect. The two most-liked comments under a rail-news channel's coverage (116 and 115 likes) both say the pass was underpriced to begin with — "It was too cheap before, and honestly it's still cheap after the revision, so this is fair. With the yen this weak they could raise it even more" — and the second ties the hike to the industry's shift from volume to value under overtourism. A Japanese expat (80 likes) frames it as the price of the pass surviving at all: without JR turning a profit on it, "the nationwide version disappears eventually, right?"

Nobody in that thread argues the pass is always worth it, and neither should you. The arithmetic the regulars use is simple: a Tokyo–Osaka round trip runs around ¥26,000, so heavy long-distance itineraries still clear the bar and a two-city trip with a few local days no longer does. The dissent worth hearing is comparative (45 likes): against Eurail's coverage and European price levels, "the Eurail Pass is absurdly cheap by comparison." And the thing most first-timers never look at is the alternative the regulars actually buy — the regional passes, which cover one area properly for a fraction of the national price. Price your real route both ways before you commit; this is the largest single number on most Japan trips after flights and hotels.

3. Book the parts of Japan that now cap or refuse visitors

Places are starting to say no, and the Japanese comment sections are cheering them on — which tells you which way this trend runs. Ginzan Onsen, the gas-lit Taisho-era hot spring town in Yamagata, began limiting day visitors during the crowded 2024–25 winter. The most-liked comment (215 likes) is a warning about what unmanaged crowds do to a town: "You can see the future coming: by the time the visitors who ignore the rules get bored of the place, the decent visitors will have written it off long ago." Two more (204 and 198 likes) back the limit outright. The useful part for a traveller is the geography lesson underneath it (147 likes): the town was only ever built for overnight guests, and "there was really only one place you could soak as a day visitor anyway." If somewhere like that is on your list, it is an overnight booking made months out, not a stop you slot into an afternoon.

Individual attractions have gone the same way. The Owakudani nature trail in Hakone — the steam field above the ropeway — reopened after the 2015 eruption as escorted, reservation-only entry: a handful of departures a day, a fixed headcount each, helmets, and cancellation whenever the weather or the volcano says so. And one whole category of Japanese accommodation may simply decline you: plenty of onsen ryokan still refuse single guests, for the unglamorous reason that a room and two-portion kaiseki meals do not pencil out for one person. Japanese solo travellers book anyway, and their top workaround (78 likes) is a booking-channel one — solo plans have been increasing for years on the domestic sites — while the sharpest comment in the thread (52 likes) just notes the absurdity: "We have solo karaoke, solo yakiniku... whole industries specialised for one person — and somehow onsen ryokan are the one business that won't do 'solo.'"

4. Choose hotels by bath and cancellation deadline, not by stars

Japanese travellers do not compare hotels the way booking sites do. Asked to name the best business hotel chain, 271 comments organised themselves around two features: is there a public bath, and how late can I cancel. Dormy Inn was the uncontested favourite until around 2022, and its own regulars now say the prices have climbed out of the category (21 likes) — Route Inn and Super Hotel are "stable — a public bath and around ¥10,000 depending on the day," APA is cheapest and mostly bathless, and Toyoko Inn is the fallback. Another (19 likes) calls Route Inn the easiest nationwide chain to use, with a decent breakfast buffet, and a third (32 likes) points at the railway-affiliated hotels most foreign booking sites bury.

The tip that actually changes an itinerary is the cancellation one (23 likes): with Toyoko Inn "there's no cancellation fee until noon on the day — perfect for me since I travel on a whim with no fixed plan." On a first trip, before you know how tired the days will make you or how much you will want to stay put, that flexibility is worth more than a nicer lobby. Two more things Japanese guests price that foreign guides skip: a Dormy Inn public bath and sauna is the closest thing to an onsen you can get out of a cheap hotel, and an included breakfast is not a gift. The most-liked comment on Japan's famously generous hotel buffets (275 likes) is that it "isn't 'free' so much as a price that already includes it," a hotel employee (155 likes) says that apart from the rice and miso soup most of the spread is reheated commercial food, and a long-time guest (276 likes) has watched the buffet at their regular hotel "get shabbier year by year." Guests still love it anyway — 136 likes for the ritual of eating at seven and lazing in the room until the ten o'clock checkout, and 136 more for the arithmetic that a big breakfast cancels lunch.

5. Know what the cheap end of Japan actually buys you

Japan's budget tiers are genuinely good value, and the people who use them are specific about the trade. On capsule hotels the deal-breaker is not size but sound: "The snoring rate at capsule hotels is abnormal" (12 likes), and the most-liked comment in the thread (16 likes) is about the reverse anxiety — not sleeping because you are worrying whether you are the one keeping everyone else awake. One commenter (7 likes) lost a whole day of sightseeing to it and switched back to business hotels for good. Earplugs are non-negotiable, and the sweet spot regulars name is a capsule attached to a sauna or super-sento, where the price buys a bed and a proper soak in one.

Below that the variance gets real. A Japanese reviewer paid ¥1,000 for Tokyo's cheapest net café and found bedbugs; across 2,562 comments the verdict (3,146 likes) is that "the bedbugs alone wipe out every good point, with change to spare," with the fair caveat from a viewer who flipped the mat at their own regular café and found it spotless (2,690 likes) that this was one notorious address, not the category. And at the very bottom of the price ladder — Osaka's Airin district in Nishinari, where a private room runs about ¥1,600 — 1,372 comments largely conclude the district's fearsome reputation is out of date. The most-liked substantive comment (1,302 likes) picks an unexpected tell: "just the fact that the elevator is properly, officially maintained tells you this place — Nishinari and all — has actually had money spent on keeping it up." A 283-like reply notes the station-front access is good and the safety gap versus other countries is "a rounding error." It is a real option with real caveats, and the thread is honest about both — read it before you book on price alone.

6. Set your food budget on the local price line, not the tourist one

The most transferable money skill for Japan is knowing which prices locals refuse to pay. Under a market-crawl video in Sapporo, the most-liked local comment (156 likes) is a 29-year resident on Nijo Market: "I've lived in Sapporo for 29 years and walked through countless times — I've never spent a single yen there." Residents of 25 and 33 years say the same, a ¥3,000–4,000 seafood bowl draws a 111-like double-take, and the instead-advice is a chain (69 likes): "If you're eating seafood in Sapporo, just go to Toriton, the conveyor-belt sushi chain." Kyoto's Nishiki Market gets the same treatment from Kyotoites — ¥5,000–6,000 wagyu skewers, a top comment (161 likes) calling Nishiki and Osaka's Kuromon "vulgar markets with no atmosphere left," and another (150 likes) refusing even to cut through: "That's not Kyoto anymore." None of this means skip the markets. It means walk them, eat where the queue is Japanese, and buy your seafood somewhere a local would.

There is a sharper version of this signal, and it is the most-liked comment in our entire corpus. Under Japan's bluntest review of the gyukatsu chain Motomura, 28,150 likes went to a eulogy: "It used to be a proper restaurant. Inbound demand must really be something, for them to throw away all the trust they'd built up and go all-in on the foreign-tourist business." The follow-up (10,666 likes) describes the playbook — "Build up the name, pull in the foreign tourists, then crater the quality and jack up the price" — and a former regular (429 likes) records the human cost of not knowing it: "I queued forever and the meat had no taste; I thought it was me." Read "hugely popular with foreign visitors" as a data point about marketing, not about food. The reliable end of the same thread is worth copying too (2,644 likes): the big family chains and conveyor-belt sushi hold "the same consistent standard as ever, at nearly the same old prices." A cheap chain meal in Japan is not a compromise — it is the thing locals defend.

7. Learn the queue rules before you spend a morning in one

Queues are the biggest silent tax on a Japan itinerary, and Japanese comment sections are ruthless about which ones are real. Rule one: some foods are never worth a line, and locals will tell you which. Show Osaka a video calling Kiji "the most famous okonomiyaki in Osaka" and the top comment (187 likes) answers with the city's house rule: "'Okonomiyaki is not something you queue for' — that's how Osaka people feel about this." A local elaborates (44 likes) that for an Osakan it is a "we waited all that time and it's… normal" shop, though "if you're not from Kansai, it might be a fun experience" — and another is blunter (25 likes): "I just don't want to queue for okonomiyaki, lol — it's good pretty much anywhere." The same logic runs through Fukuoka's ramen thread, where 1,852 comments of shop names produced one immortal observation (1,705 likes): "Not a single mention of Ichiran. That's how you know these picks are legit." The chain tourists queue for is fine, locals say — just too expensive for something they eat weekly.

Rule two: read what the queue is actually for. The most useful comment under Japan's most famous mochi-pounding performance, Nakatanidou in Nara (848 likes), is a correction that saves you twenty minutes: "I thought there was a line here — turned out it was all spectators waiting to watch. It's straight-up good, by the way." Sometimes a crowd is an audience, and the counter is free. And sometimes the queue is the product: under an honest review of a perpetually-queued Shin-Okubo cake shop, the single most-liked comment in our corpus by any measure of agreement — 41,720 likes — reads, "If he's tearing into it this hard, the price must have been so far off the value that inside he was even angrier," with 3,761 likes for a customer confirming "his honest verdict is exactly right — it really was terrible." Commenters in that thread note the shop seats only three groups at a time, which one 2,794-like reply calls a way of manufacturing the line. Before you join a queue, ask the two questions a Japanese commenter would: is this food that is good almost everywhere, and is this line made of customers or of spectators?

8. Cost a theme-park day whole, not by the ticket

If Tokyo Disney or Universal Studios Japan is on the itinerary, budget it as a day, not a ticket — because that is how Japanese fans, the harshest audience these parks have, do it. A Japanese creator tracked every yen of a weekday at Tokyo DisneySea, including paid Premier Access and a mountain of snacks, and landed near ¥20,000 per person; most of the 750 comments called it surprisingly reasonable, and then the top reply (9,391 likes) supplied the catch: "I was thinking 'huh, cheaper than I expected' — oh wait, that's because there's zero souvenir money in this!!" Out-of-town commenters who add transport and a hotel land at ¥60,000–70,000 for the same day. On the queue economics, 1,204 likes went to the realisation that you can line up from 6 a.m. and still miss a headline ride's pass.

The wider Disneyland thread — 3,464 comments — is where the honesty gets uncomfortable, and useful. The top comment (7,781 likes) is a one-line poem: "Because to see the dream, you have to keep your eyes closed." Below it, 3,811 likes for the social effect of the price — "it's no longer an amount you can pay just to tag along with friends" — and 3,041 for the retort to any "young people are drifting away" framing: "that usually just means you're overcharging." Park food gets the same treatment, and the same forgiveness: the most-liked comment on a full review of USJ's snack lineup (10,863 likes) is "a lot of it is for the atmosphere, so I can forgive it," followed by fans naming exactly what is worth buying — a crispy pizza danish near Jaws (4,353 likes) and a Hogwarts meat pie that, per 1,495 likes, "is so good that everyone in your group has to eat it, no exceptions." Decide your park budget, your paid-skip budget and your souvenir budget before you are inside and hungry.

9. Pre-load the three rules that cost money or goodwill

First, Gion's private alleys. Kyoto's Gion district warns that stepping into its private side-lanes carries a ¥10,000 fine, and when a Japanese news crew filmed people walking past the signs anyway, the 2,900-plus comments underneath did not blame the tourists. They blamed the Japanese tour guides leading them in: the top comment (3,247 likes) is "Fine the tour guides who play dumb and lead tourists in!", 865 likes for "I assumed it was foreign tourists ignoring the signs — but no, it's the tour guides walking them right through," and 499 likes for the observation that if Japanese guides won't respect the rule, visitors cannot be expected to either. It is not you they resent — but you are the one who pays. Treat Gion's marked private lanes as what they are: somebody's front path.

Second, escalators — where the honest answer is that Japan is arguing with itself. The official line is now stand on both sides and don't walk, and 1,549 comments explain why it hasn't stuck: 459 likes for hating "the giant queues we form just to keep one side of the escalator clear," and 354 likes for a commenter who tracks fifty years of reversed guidance and concludes, "I don't get it anymore." The split visitors actually need is regional: Tokyo stands left, Osaka stands right. Watch the person in front of you and copy them. Third, food on trains. Eating on a long-distance train is normal; eating on a packed commuter train is not. The definitive comment (1,552 likes) is a Kansai ruling on Osaka's 551 Horai pork buns: "551 isn't unpleasant — it's food terrorism," the smell that makes a whole carriage hungry. As another puts it (414 likes), "You don't even have to eat 551 — just carrying it is enough to perfume the car." Strong-smelling food on a local train: don't. Ekiben on the shinkansen: absolutely do.

10. Pick your dates and your hours before you pick your sights

The crowd problem in Japan is not evenly distributed, and locals are precise about it. Kyoto's overtourism thread ran past 3,300 comments, led by a resident demanding a tourist tax to thin the numbers (3,178 likes); 1,626 likes for "Kyoto has personally become the number-one prefecture I don't want to visit," and 922 for the line that the city has become "a Japanese theme park called KYOTO." In Hakone, the most-liked traveller comment under a crowd test (319 likes) is a former route-bus driver whose Hakone shifts drove him to medical leave; a resident who works there (153 likes) says that between the bus stops and the convenience stores, "I've started feeling like I'm the one visiting another country."

The fix in those same threads is never "don't come." It is timing and routing, and the creator's own pinned conclusion on the Hakone crowd test is the whole strategy in one line (685 likes): "shift your timing and you can enjoy Hakone as much as you like — but be careful with Owakudani and the transport home!" Concretely: the famous loop early or late rather than midday, the off-pattern route rather than the marketed one, and a plan for the ride home decided before you add the last attraction. A Kyoto local's twenty-year-old memory in that thread — walking through a completely empty Fushimi Inari as a student (1,056 likes) — is not available to you at 11 a.m., but a version of it is available at dawn.

11. Build one escape day into the itinerary

Every itinerary built from a top-ten list produces the same complaint, and Japanese commenters answer it the same way: the spot is rarely the problem, the way you visit it is. Under a ranking of Kansai's most disappointing sights — which managed to include Todaiji — the loudest local reply (69 likes) is incredulous: "You went to the Great Buddha hall — and your complaint is that there's only a Great Buddha in it…?" The two constructive ones are a method. "Temples, shrines, castles, kofun tombs — I'd ask people to visit them with the history front of mind, not the entertainment value or the view" (80 likes); and, concretely, "The connoisseur's Todaiji is everything other than the Daibutsuden — Sangatsudo, Nigatsudo, Kaidan-in, the Shosoin" (73 likes). Ten minutes of reading before a sight, and one step off its main axis, converts a disappointing box-tick into the best hour of the day.

The other half of the escape day is a place nobody is queueing for. Ask Japanese onsen regulars for quiet hot springs near Tokyo and they will name more than twenty by hand — Sarugakyo in Gunma (90 likes), Nanasawa in the Atsugi hills (73), two ocean-view inns in Kita-Ibaraki where the winter anglerfish hotpot is the point (69) — with the honest caveat running through the thread that "near Tokyo" realistically means two to three hours. And the counter-example to every overtourism story in this article is Kinosaki Onsen, where 1,105 comments watched one small innkeeper handle English, walk foreign guests out for photos, rescue a shut-out dinner reservation, drive the luggage to the station and have a crab bento made before the train (1,154 likes). "He's thinking about the whole onsen town," says the reply below it (897 likes). Another (374 likes) names the strategy that made it possible: "Smart of them, turning 'we can't take tour groups' into an advantage." Book one night somewhere small and off the route. It is the part of the trip people remember, and the part that gets a welcome instead of a sigh.

12. The two jobs no comment section will do for you: data and cash

Everything above comes from Japanese people talking to each other, which is also its limit: locals never have to solve the two problems that ruin most first days in Japan. Nobody in a Japanese comment section has ever had to get a foreign phone onto a Japanese network. So, plainly and without receipts: sort your connectivity before you board, because every downstream tool — maps, train times, translation, the QR menu on the table, the taxi app, the ride-share pin you send a friend — assumes you have data the moment you step off the plane. Three routes exist. An eSIM is installed before you leave home and works on arrival, provided your handset is eSIM-capable and carrier-unlocked; check both today, not at the airport, because an unlock can take a carrier days. A pocket Wi-Fi router makes sense for a group sharing one connection, but it is a second device to charge and hand back on schedule. A physical SIM bought on arrival works fine and costs you the arrival queue at the busiest hour of the airport's day. Whichever you pick, pick it now, while it is still a decision rather than an emergency.

The money half is the same shape. Japan is far more card-friendly than its reputation, but the exceptions are exactly the places this site sends you — the tiny standing bar, the shrine, the market stall, the family diner with the ticket machine out front, some buses. Land with cash in hand, and know that convenience-store ATMs are the reliable ones for foreign cards. Then get your transport IC card sorted, either loaded onto your phone or bought as a visitor card at the airport: it is the difference between tapping through a gate and queueing at a ticket machine every single ride, and it works on the vending machines and convenience stores too. Which IC cards are on sale to visitors, and which phones can load them, has changed more than once in recent years — check the current situation close to departure rather than trusting a two-year-old blog post, this one included.

Do you need cash in Japan?

Yes — less than the old advice implies, but more than a card-only traveller expects. Chains, department stores, hotels and most restaurants in big cities take cards, and a transport IC card covers trains, buses, vending machines and convenience stores. The gaps are small and specific: independent standing bars and old diners, shrine and temple offerings and charms, market stalls, some buses, and the small-town shop that has never needed a terminal. The places Japanese commenters send you are disproportionately of that kind — street stalls, tiny counters, neighbourhood teishoku halls — so carry cash for the good stuff, and withdraw at convenience-store ATMs, which are the most reliable for foreign cards.

Is the Japan Rail Pass worth it?

Only if your route is genuinely long-distance. After the roughly 70% increase in 2023, the pass stopped being an automatic buy: a Tokyo–Osaka round trip is around ¥26,000, so the pass rewards itineraries that keep moving between distant regions and punishes the common two-city trip with local days in between. Japanese rail fans in a 239-comment thread on the hike overwhelmingly called the new price fair — the top two comments (116 and 115 likes) both said it had been too cheap — and the alternative they name is regional passes, which cover one area properly for far less. Price your actual route both ways before buying.

Do you have to reserve shinkansen seats?

Increasingly, yes — and you should reserve two things, not one. Unreserved cars are being phased out and the Nozomi already runs all-reserved in peak seasons, so a reservation is often the only way to board the train you want. Separately, if your suitcase is oversized, the luggage space behind the last row on the Tokaido Shinkansen must be reserved with your seat; the reservation is free, and boarding without it carries a fee. In an 812-comment thread Japanese riders backed the all-reserved shift decisively (1,124 likes on the top comment), and their advice if you do ride unreserved is exact (519 likes): board only at the origin station.

Which side do you stand on an escalator in Japan?

Tokyo stands left, Osaka stands right — and officially you are now asked to stand on both sides and not walk at all. In a 1,549-comment thread on that guidance, Japanese commenters make clear the official rule has not settled: 459 likes for hating the long single-file queues formed to keep one side clear, and 354 likes for a rider who has watched the advice reverse three times in fifty years and gave up. The practical instruction for a visitor is therefore social rather than legal: copy the person in front of you, and don't be the one standing on the walking side of a rush-hour escalator in a city that hasn't adopted the new rule yet.

Is Japan too crowded to visit right now?

No — but the crowding is concentrated in a handful of hours and a handful of famous places, and Japanese locals are blunt about which. Kyoto's central sights, Hakone's Golden Course loop, and the big markets draw the heaviest complaints in our corpus, including a 3,178-like call for a Kyoto tourist tax to bring numbers down. The consensus fix from the same threads is timing and routing, not cancellation: the most-liked conclusion on a Hakone crowd test (685 likes) is that shifting your timing lets you enjoy it as much as you like, with care around the ropeway area and the journey home. Early mornings, off-pattern routes, one night somewhere small, and the day trip locals point to instead — that is the whole technique.

The short version

Reserve the oversized-luggage space and your shinkansen seats, and if you gamble on an unreserved car, board at the origin station. Price your real route against a national pass and the regional ones before you buy either. Book anything that caps visitors — restricted onsen towns, escorted trails, ryokan as a solo guest — well ahead, and expect to be refused if you don't. Pick hotels for the public bath and the cancellation deadline, treat an included breakfast as a price rather than a gift, and know what the cheap tiers really cost in sleep. Assume market prices are aimed at you, read "hugely popular with foreign visitors" as a warning, and remember the chains locals defend. Skip queues for food that is good everywhere, and check whether the line is customers or spectators. Cost theme-park days whole. Learn three rules before you land: no private Gion lanes, copy the escalator side of the person in front of you, no strong-smelling food on a commuter train. Move the famous sights to the edges of the day, read ten minutes of history before each one, and put one night somewhere small and unqueued on the itinerary. Then settle your data and your cash before you fly, because those are the only two items on this list that nobody in Japan will explain to you.

Every quoted number here is a real like-count from a Japanese YouTube comment section, translated and aggregated by Locals Japan; each section links to the full roundup it comes from, and each roundup links to its source video. Fares, coverage, entry limits, opening details and card rules change — verify the operational details before you travel. We don't invent the local verdict; we carry it across with the receipts attached.

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